﻿using System;
using System.Collections.Generic;
using System.Text;
using System.Windows.Input;

namespace TileUpdater.ViewModel
{
    class UpdateCommand : ICommand
    {
        public bool CanExecute(object parameter)
        {
            MainViewModel mvmInst = (MainViewModel)parameter;
            if (mvmInst == null) return false;

            if (string.IsNullOrWhiteSpace(mvmInst.ImagePath) && string.IsNullOrWhiteSpace(mvmInst.DisplayText))
                return false;
            return true;
        }

        public event EventHandler CanExecuteChanged;

        public void Execute(object parameter)
        {
            MainViewModel mvmInst = (MainViewModel)parameter;

            if (string.IsNullOrWhiteSpace(mvmInst.ImagePath))
                TileUpdater.Model.UpdateTile.UpdateTileText(mvmInst.DisplayText);
            else
                TileUpdater.Model.UpdateTile.UpdateTileImage(mvmInst.ImagePath);
        }
    }
}
